Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
41 lines
755 B
C
41 lines
755 B
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2020 Facebook */
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#include "vmlinux.h"
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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#include <bpf/bpf_core_read.h>
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bool prog1_called = false;
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bool prog2_called = false;
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bool prog3_called = false;
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SEC("raw_tp/sys_enter")
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int prog1(const void *ctx)
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{
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prog1_called = true;
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return 0;
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}
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SEC("raw_tp/sys_exit")
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int prog2(const void *ctx)
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{
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prog2_called = true;
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return 0;
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}
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struct fake_kernel_struct {
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int whatever;
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} __attribute__((preserve_access_index));
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SEC("fentry/unexisting-kprobe-will-fail-if-loaded")
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int prog3(const void *ctx)
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{
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struct fake_kernel_struct *fake = (void *)ctx;
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fake->whatever = 123;
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prog3_called = true;
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return 0;
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}
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char _license[] SEC("license") = "GPL";
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